He, Yijin; Hamori, Shigeyuki - In: Journal of risk and financial management : JRFM 12 (2019) 2/99, pp. 1-25
We studied the dependence structure between West Texas Intermediate (WTI) oil prices and the exchange rates of BRICS1 countries, using copula models. We used the Normal, Plackett, rotated-Gumbel, and Student's t copulas to measure the constant dependence, and we captured the dynamic dependence...